Donkey pump
[化] 蒸汽往复泵(锅炉进水泵)
🏥 医学释义
辅助泵
🧩 词语组成解析
donkey
['dɔŋki]
n. 驴，毛驴;笨蛋，傻瓜;（美国）民主党的象征;
pump
[pʌmp]
n. 抽水机;打气筒;泵;轻软舞鞋;
v. 用泵输送 ;涌出;急速摇晃;盘问;
🗣️ 情景例句
I'm sure everyone will be very happy with these gifts.
相信他们一定会喜欢这些礼物的。
I know the boy whose father is a policeman.
我知道那个男孩的父亲是警察。
No, thank you. Tom.I've already had lunch.
不，汤姆，谢谢。我已经吃过饭了。